The answer is B. Use distance formula...
Those are vertical angles,so they are equal
150=5m
m=150/5
m=30

<em><u>Solution:</u></em>
Given that we have to find the value of "m"
Given expression is:

<em><u>Let us first convert the mixed fraction to improper fraction</u></em>
Steps to follow:
Divide the numerator by the denominator.
Write down the whole number answer.
Then write down any remainder above the denominator.
Therefore,

Now the expression becomes,

Keep the variable "m" on L.H.S and move the constant to R.H.S

Thus value of m is equal to 3.625 or 
She ran for 2 and a half hours
12.5/5=2.5
<span>helps you find where to put the first digit, when finding the actual quiotient</span>